-54.27% is the change from 457 to 209
Calculation steps:
[( 209 - 457 ) ÷ 457] x 100 = -54.27%
Formula
Percentage change = [(209 - 457) / 457] x 100
Subtract the new number by the original number
209 - 457 = -248
-248 ÷ 457 = -0.5426695842450766
-0.5426695842450766 x 100 = -54.27%